CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Total revenue	$ 626,336	$ 576,056
Cost of Revenue:
Total cost of revenue	266,746	244,459
Gross profit	359,590	331,597
Expenses:
Sales and marketing	116,143	106,584
General and administrative	65,812	60,361
Research and development	33,310	31,514
Income from operations	144,325	133,138
Interest expense	(7,692)	(8,386)
Interest income	140	40
Income before provision for income taxes	136,773	124,792
Provision for income taxes	24,917	22,083
Net income	111,856	102,709
Less: Net income attributable to noncontrolling interest	29	28
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 111,827	$ 102,681
Earnings per Share:
Basic (in dollars per share)	$ 1.31	$ 1.19
Diluted (in dollars per share)	$ 1.29	$ 1.17
Weighted Average Shares Outstanding:
Basic (in shares)	85,427	86,204
Diluted (in shares)	86,705	87,549
Product revenue
Revenue:
Total revenue	$ 364,773	$ 334,058
Cost of Revenue:
Total cost of revenue	125,454	117,383
Service revenue
Revenue:
Total revenue	261,563	241,998
Cost of Revenue:
Total cost of revenue	$ 141,292	$ 127,076